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| Description: Lemma for xpmapen 4501. |
| Ref | Expression |
|---|---|
| xpmapen.1 |
|
| xpmapen.2 |
|
| xpmapen.3 |
|
| xpmapenlem.4 |
|
| xpmapenlem.5 |
|
| xpmapenlem.6 |
|
| Ref | Expression |
|---|---|
| xpmapenlem1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xpmapenlem.4 |
. . . . 5
| |
| 2 | hbopab1 2813 |
. . . . 5
| |
| 3 | 1, 2 | hbxfr 1563 |
. . . 4
|
| 4 | xpmapenlem.5 |
. . . . 5
| |
| 5 | hbopab1 2813 |
. . . . 5
| |
| 6 | 4, 5 | hbxfr 1563 |
. . . 4
|
| 7 | 3, 6 | hbop 2496 |
. . 3
|
| 8 | 7 | hbeleq 1567 |
. 2
|
| 9 | hbopab2 2814 |
. . . . 5
| |
| 10 | 1, 9 | hbxfr 1563 |
. . . 4
|
| 11 | hbopab2 2814 |
. . . . 5
| |
| 12 | 4, 11 | hbxfr 1563 |
. . . 4
|
| 13 | 10, 12 | hbop 2496 |
. . 3
|
| 14 | 13 | hbeleq 1567 |
. 2
|
| 15 | 8, 14 | pm3.2i 285 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: xpmapenlem3 4498 xpmapenlem5 4500 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-12 968 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 981 df-sb 1172 df-clab 1464 df-cleq 1469 df-clel 1472 df-v 1812 df-un 2050 df-sn 2412 df-pr 2413 df-op 2416 df-opab 2667 |